<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<a href="http://www.baidu.com" target="A">百度一下</a><br><br><br>
<a href="http://www.taobao.com" target="A">淘宝一下</a><br><br><br>
<a href="b.html" target="A">跳到网页b</a>
</body>
</html>